I can confirm # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.2 LTS Release: 16.04 Codename: xenial # uptime g6-1 02:13:43 up 17 days, 6:40, 1 user, load average: 404.83, 402.10, 397.12 [Thu Jun 15 19:30:38 2017] device eth1 left promiscuous mode [Thu Jun 15 19:31:12 2017] device eth1 entered promiscuous mode [Thu Jun 15 19:34:04 2017] device eth1 left promiscuous mode [Thu Jun 15 19:35:59 2017] device eth1 entered promiscuous mode [Thu Jun 15 19:38:44 2017] device eth1 left promiscuous mode [Thu Jun 15 21:32:25 2017] device eth2 entered promiscuous mode [Thu Jun 15 22:04:15 2017] device eth2 left promiscuous mode [Thu Jun 15 22:04:46 2017] device eth2 entered promiscuous mode [Thu Jun 15 22:04:52 2017] device eth2 left promiscuous mode [Fri Jun 16 16:23:36 2017] device eth1 entered promiscuous mode [Fri Jun 16 20:02:57 2017] device eth1 left promiscuous mode [Fri Jun 16 22:39:54 2017] INFO: task btrfs-transacti:1604 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] btrfs-transacti D ffff8817e65e7b38 0 1604 2 0x00000000 [Fri Jun 16 22:39:54 2017] ffff8817e65e7b38 ffffffffc03dbf65 ffff880be8c3f2c0 ffff8817e51472c0 [Fri Jun 16 22:39:54 2017] ffff8817e65e8000 00000000ffffff00 ffff8817e51472c0 ffff8817e51472c0 [Fri Jun 16 22:39:54 2017] ffff88137fc714c8 ffff8817e65e7b50 ffffffff81838545 ffff88137fc71530 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] ? btrfs_submit_bio_hook+0xe5/0x1b0 [btrfs] [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] btrfs_tree_read_lock+0xe6/0x140 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] btrfs_read_lock_root_node+0x34/0x50 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_search_slot+0x74b/0xa00 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? ktime_get+0x3c/0xb0 [Fri Jun 16 22:39:54 2017] [] btrfs_lookup_inode+0x3e/0xc0 [btrfs] [Fri Jun 16 22:39:54 2017] [] __btrfs_update_delayed_inode+0x69/0x210 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_alloc_path+0x1a/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] __btrfs_run_delayed_items+0x571/0x620 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_free_path+0x26/0x30 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_run_delayed_items+0x13/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_commit_transaction+0x28b/0xa90 [btrfs] [Fri Jun 16 22:39:54 2017] [] transaction_kthread+0x229/0x240 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_cleanup_transaction+0x570/0x570 [btrfs] [Fri Jun 16 22:39:54 2017] [] kthread+0xd8/0xf0 [Fri Jun 16 22:39:54 2017] [] ? kthread_create_on_node+0x1e0/0x1e0 [Fri Jun 16 22:39:54 2017] [] ret_from_fork+0x3f/0x70 [Fri Jun 16 22:39:54 2017] [] ? kthread_create_on_node+0x1e0/0x1e0 [Fri Jun 16 22:39:54 2017] INFO: task cmahostd:3707 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] cmahostd D ffff8817e813fd48 0 3707 1 0x00000000 [Fri Jun 16 22:39:54 2017] ffff8817e813fd48 ffff8817e47b8000 ffff8817e9702640 ffff8817e47b8000 [Fri Jun 16 22:39:54 2017] ffff8817e8140000 ffff8816d038b068 ffff8816d038b080 ffff8813f8582000 [Fri Jun 16 22:39:54 2017] ffff8816d038b000 ffff8817e813fd60 ffffffff81838545 ffff8817e47b8000 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] rwsem_down_read_failed+0xe0/0x140 [Fri Jun 16 22:39:54 2017] [] call_rwsem_down_read_failed+0x14/0x30 [Fri Jun 16 22:39:54 2017] [] ? down_read+0x20/0x30 [Fri Jun 16 22:39:54 2017] [] proc_pid_cmdline_read+0xae/0x530 [Fri Jun 16 22:39:54 2017] [] ? security_file_permission+0xa0/0xc0 [Fri Jun 16 22:39:54 2017] [] __vfs_read+0x18/0x40 [Fri Jun 16 22:39:54 2017] [] vfs_read+0x86/0x130 [Fri Jun 16 22:39:54 2017] [] SyS_read+0x55/0xc0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task rs:main Q:Reg:16960 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] rs:main Q:Reg D ffff88004ad6fba8 0 16960 16795 0x00000000 [Fri Jun 16 22:39:54 2017] ffff88004ad6fba8 ffff880bd5c417b0 ffff8817e9701980 ffff880b4cc4bfc0 [Fri Jun 16 22:39:54 2017] ffff88004ad70000 ffff880bd5c417cc ffff880bd5c417b0 0000000162a12000 [Fri Jun 16 22:39:54 2017] ffff88137fe31bf0 ffff88004ad6fbc0 ffffffff81838545 0000000162a12fff [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] lock_extent_bits+0x1a2/0x1f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] lock_and_cleanup_extent_if_need+0xe0/0x1f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] __btrfs_buffered_write+0x1d6/0x5f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_file_write_iter+0x171/0x560 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? inet_sendmsg+0x65/0xa0 [Fri Jun 16 22:39:54 2017] [] new_sync_write+0x9b/0xe0 [Fri Jun 16 22:39:54 2017] [] __vfs_write+0x26/0x40 [Fri Jun 16 22:39:54 2017] [] vfs_write+0xa9/0x1a0 [Fri Jun 16 22:39:54 2017] [] SyS_write+0x55/0xc0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task mongod:17018 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] mongod D ffff8815c7e0b7c0 0 17018 16795 0x00000000 [Fri Jun 16 22:39:54 2017] ffff8815c7e0b7c0 ffff8809da646120 ffff8817e97072c0 ffff8817d90cb300 [Fri Jun 16 22:39:54 2017] ffff8815c7e0c000 00000000ffffff00 ffff8817d90cb300 ffff8817d90cb300 [Fri Jun 16 22:39:54 2017] ffff88137fc714c8 ffff8815c7e0b7d8 ffffffff81838545 ffff88137fc71530 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] btrfs_tree_read_lock+0xe6/0x140 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] btrfs_read_lock_root_node+0x34/0x50 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_search_slot+0x74b/0xa00 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? kmem_cache_alloc+0x187/0x1f0 [Fri Jun 16 22:39:54 2017] [] btrfs_lookup_file_extent+0x49/0x60 [btrfs] [Fri Jun 16 22:39:54 2017] [] run_delalloc_nocow+0x15e/0xb40 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? dequeue_task_fair+0x51d/0x8b0 [Fri Jun 16 22:39:54 2017] [] ? test_range_bit+0x48/0x130 [btrfs] [Fri Jun 16 22:39:54 2017] [] run_delalloc_range+0x36e/0x3d0 [btrfs] [Fri Jun 16 22:39:54 2017] [] writepage_delalloc.isra.35+0x105/0x170 [btrfs] [Fri Jun 16 22:39:54 2017] [] __extent_writepage+0xca/0x330 [btrfs] [Fri Jun 16 22:39:54 2017] [] extent_write_cache_pages.isra.31.constprop.51+0x2e1/0x3d0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? load_balance+0x1d3/0x980 [Fri Jun 16 22:39:54 2017] [] extent_writepages+0x5c/0x90 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_real_readdir+0x5e0/0x5e0 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_writepages+0x28/0x30 [btrfs] [Fri Jun 16 22:39:54 2017] [] do_writepages+0x1e/0x30 [Fri Jun 16 22:39:54 2017] [] __filemap_fdatawrite_range+0xc6/0x100 [Fri Jun 16 22:39:54 2017] [] filemap_fdatawrite_range+0x13/0x20 [Fri Jun 16 22:39:54 2017] [] btrfs_fdatawrite_range+0x20/0x50 [btrfs] [Fri Jun 16 22:39:54 2017] [] start_ordered_ops+0x19/0x30 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_sync_file+0x6e/0x3b0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? hrtimer_nanosleep+0xdc/0x210 [Fri Jun 16 22:39:54 2017] [] vfs_fsync_range+0x4b/0xb0 [Fri Jun 16 22:39:54 2017] [] ? kvm_on_user_return+0x66/0xa0 [kvm] [Fri Jun 16 22:39:54 2017] [] SyS_msync+0x17e/0x1f0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task mongod:17099 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] mongod D ffff880a30693758 0 17099 16795 0x00000000 [Fri Jun 16 22:39:54 2017] ffff880a30693758 ffff880a30693770 ffff8817e9706600 ffff880b63830cc0 [Fri Jun 16 22:39:54 2017] ffff880a30694000 00000000ffffff00 ffff880b63830cc0 ffff880b63830cc0 [Fri Jun 16 22:39:54 2017] ffff88137fc714c8 ffff880a30693770 ffffffff81838545 ffff88137fc71530 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] btrfs_tree_read_lock+0xe6/0x140 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] btrfs_read_lock_root_node+0x34/0x50 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_search_slot+0x74b/0xa00 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_lookup_file_extent+0x49/0x60 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_get_extent+0x16c/0xae0 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_get_blocks_direct+0x231/0x780 [btrfs] [Fri Jun 16 22:39:54 2017] [] do_blockdev_direct_IO+0xd01/0x3410 [Fri Jun 16 22:39:54 2017] [] ? __switch_to+0x437/0x5c0 [Fri Jun 16 22:39:54 2017] [] ? finish_ordered_fn+0x20/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_page_exists_in_range+0x100/0x100 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? finish_ordered_fn+0x20/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] __blockdev_direct_IO+0x43/0x50 [Fri Jun 16 22:39:54 2017] [] ? finish_ordered_fn+0x20/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_direct_IO+0x170/0x320 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? finish_ordered_fn+0x20/0x20 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? dequeue_entity+0x400/0xa80 [Fri Jun 16 22:39:54 2017] [] generic_file_direct_write+0xb9/0x180 [Fri Jun 16 22:39:54 2017] [] btrfs_file_write_iter+0x2a2/0x560 [btrfs] [Fri Jun 16 22:39:54 2017] [] new_sync_write+0x9b/0xe0 [Fri Jun 16 22:39:54 2017] [] __vfs_write+0x26/0x40 [Fri Jun 16 22:39:54 2017] [] vfs_write+0xa9/0x1a0 [Fri Jun 16 22:39:54 2017] [] SyS_write+0x55/0xc0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task java:17639 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] java D ffff880034eabba8 0 17639 17174 0x00000000 [Fri Jun 16 22:39:54 2017] ffff880034eabba8 ffff88143fd736f0 ffff8817e97072c0 ffff880b62035940 [Fri Jun 16 22:39:54 2017] ffff880034eac000 ffff88143fd7370c ffff88143fd736f0 00000000012e4000 [Fri Jun 16 22:39:54 2017] ffff8813efc23a60 ffff880034eabbc0 ffffffff81838545 00000000012fffff [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] lock_extent_bits+0x1a2/0x1f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] lock_and_cleanup_extent_if_need+0xe0/0x1f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] __btrfs_buffered_write+0x1d6/0x5f0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? futex_wait+0x254/0x280 [Fri Jun 16 22:39:54 2017] [] btrfs_file_write_iter+0x171/0x560 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? futex_wake+0x90/0x170 [Fri Jun 16 22:39:54 2017] [] new_sync_write+0x9b/0xe0 [Fri Jun 16 22:39:54 2017] [] __vfs_write+0x26/0x40 [Fri Jun 16 22:39:54 2017] [] vfs_write+0xa9/0x1a0 [Fri Jun 16 22:39:54 2017] [] SyS_write+0x55/0xc0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task java:17748 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] java D ffff88174e853be0 0 17748 17174 0x00000000 [Fri Jun 16 22:39:54 2017] ffff88174e853be0 000000006795d709 ffff880be8c3f2c0 ffff881671a41980 [Fri Jun 16 22:39:54 2017] ffff88174e854000 00000000ffffff00 ffff881671a41980 ffff881671a41980 [Fri Jun 16 22:39:54 2017] ffff88137fc714c8 ffff88174e853bf8 ffffffff81838545 ffff88137fc71530 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] btrfs_tree_read_lock+0xe6/0x140 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? wake_atomic_t_function+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] btrfs_read_lock_root_node+0x34/0x50 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_search_slot+0x74b/0xa00 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? btrfs_crc32c+0x68/0x90 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_check_dir_item_collision+0x77/0x120 [btrfs] [Fri Jun 16 22:39:54 2017] [] btrfs_rename2+0x130/0x7b0 [btrfs] [Fri Jun 16 22:39:54 2017] [] ? generic_permission+0x110/0x190 [Fri Jun 16 22:39:54 2017] [] vfs_rename+0x5d9/0x930 [Fri Jun 16 22:39:54 2017] [] ? security_kernel_fw_from_file+0x50/0x70 [Fri Jun 16 22:39:54 2017] [] SyS_rename+0x39f/0x3c0 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task java:17755 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] java D ffff881531a9bc68 0 17755 17174 0x00000000 [Fri Jun 16 22:39:54 2017] ffff881531a9bc68 ffff881796444fd0 ffff880be8c3e600 ffff8817e80ee600 [Fri Jun 16 22:39:54 2017] ffff881531a9c000 ffff88179644507c ffff8817e80ee600 00000000ffffffff [Fri Jun 16 22:39:54 2017] ffff881796445080 ffff881531a9bc80 ffffffff81838545 ffff881796445078 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] schedule_preempt_disabled+0xe/0x10 [Fri Jun 16 22:39:54 2017] [] __mutex_lock_slowpath+0xb9/0x130 [Fri Jun 16 22:39:54 2017] [] mutex_lock+0x1f/0x30 [Fri Jun 16 22:39:54 2017] [] path_openat+0x4bc/0x1330 [Fri Jun 16 22:39:54 2017] [] do_filp_open+0x91/0x100 [Fri Jun 16 22:39:54 2017] [] ? __alloc_fd+0x46/0x190 [Fri Jun 16 22:39:54 2017] [] do_sys_open+0x138/0x2a0 [Fri Jun 16 22:39:54 2017] [] ? SyS_futex+0x81/0x180 [Fri Jun 16 22:39:54 2017] [] SyS_open+0x1e/0x20 [Fri Jun 16 22:39:54 2017] [] entry_SYSCALL_64_fastpath+0x16/0x71 [Fri Jun 16 22:39:54 2017] INFO: task java:17338 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] java D ffff880bbdfc7af8 0 17338 16795 0x00000100 [Fri Jun 16 22:39:54 2017] ffff880bbdfc7af8 ffff880bbdfc7b28 ffff8817e61d3300 ffff880be51aa640 [Fri Jun 16 22:39:54 2017] ffff880bbdfc8000 ffff880befb16dc0 7fffffffffffffff ffffffff81838d40 [Fri Jun 16 22:39:54 2017] ffff880bbdfc7c58 ffff880bbdfc7b10 ffffffff81838545 0000000000000000 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] ? bit_wait+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] schedule_timeout+0x1b5/0x270 [Fri Jun 16 22:39:54 2017] [] ? __schedule+0x3b6/0xa30 [Fri Jun 16 22:39:54 2017] [] ? _raw_spin_lock_irqsave+0x37/0x40 [Fri Jun 16 22:39:54 2017] [] ? finish_wait+0x55/0x70 [Fri Jun 16 22:39:54 2017] [] ? bit_wait+0x60/0x60 [Fri Jun 16 22:39:54 2017] [] io_schedule_timeout+0xa4/0x110 [Fri Jun 16 22:39:54 2017] [] bit_wait_io+0x1b/0x70 [Fri Jun 16 22:39:54 2017] [] __wait_on_bit+0x5d/0x90 [Fri Jun 16 22:39:54 2017] [] wait_on_page_bit+0xcb/0xf0 [Fri Jun 16 22:39:54 2017] [] ? autoremove_wake_function+0x40/0x40 [Fri Jun 16 22:39:54 2017] [] btrfs_page_mkwrite+0x193/0x380 [btrfs] [Fri Jun 16 22:39:54 2017] [] do_page_mkwrite+0x56/0xb0 [Fri Jun 16 22:39:54 2017] [] do_wp_page+0x158/0x6c0 [Fri Jun 16 22:39:54 2017] [] ? futex_wake+0x90/0x170 [Fri Jun 16 22:39:54 2017] [] ? __hrtimer_init+0x90/0x90 [Fri Jun 16 22:39:54 2017] [] handle_mm_fault+0xce0/0x1820 [Fri Jun 16 22:39:54 2017] [] ? __schedule+0x3b6/0xa30 [Fri Jun 16 22:39:54 2017] [] __do_page_fault+0x197/0x400 [Fri Jun 16 22:39:54 2017] [] do_page_fault+0x22/0x30 [Fri Jun 16 22:39:54 2017] [] page_fault+0x28/0x30 [Fri Jun 16 22:39:54 2017] INFO: task java:17563 blocked for more than 120 seconds. [Fri Jun 16 22:39:54 2017] Tainted: G I 4.4.0-67-generic #88-Ubuntu [Fri Jun 16 22:39:54 2017] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Fri Jun 16 22:39:54 2017] java D ffff880b5ae0fde8 0 17563 16795 0x00000100 [Fri Jun 16 22:39:54 2017] ffff880b5ae0fde8 ffff880befa0f240 ffff880be93bf2c0 ffff880be7a32640 [Fri Jun 16 22:39:54 2017] ffff880b5ae10000 ffff8816d038b068 ffff8816d038b080 ffff880b5ae0ff58 [Fri Jun 16 22:39:54 2017] ffff880be7a32640 ffff880b5ae0fe00 ffffffff81838545 ffff880be7a32640 [Fri Jun 16 22:39:54 2017] Call Trace: [Fri Jun 16 22:39:54 2017] [] schedule+0x35/0x80 [Fri Jun 16 22:39:54 2017] [] rwsem_down_read_failed+0xe0/0x140 [Fri Jun 16 22:39:54 2017] [] call_rwsem_down_read_failed+0x14/0x30 [Fri Jun 16 22:39:54 2017] [] ? down_read+0x20/0x30 [Fri Jun 16 22:39:54 2017] [] __do_page_fault+0x375/0x400 [Fri Jun 16 22:39:54 2017] [] ? fire_user_return_notifiers+0x3b/0x50 [Fri Jun 16 22:39:54 2017] [] do_page_fault+0x22/0x30 [Fri Jun 16 22:39:54 2017] [] page_fault+0x28/0x30